Expose ARCH_CAP_MDS_NO in guest
Bug #1830821 reported by
quanxian
This bug report is a duplicate of:
Bug #1828495: [KVM][CLX] CPUID_7_0_EDX_ARCH_CAPABILITIES is not enabled in VM..
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This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
QEMU |
Fix Released
|
Undecided
|
Unassigned | ||
intel |
New
|
Undecided
|
Unassigned | ||
qemu (Ubuntu) |
Confirmed
|
Wishlist
|
Rafael David Tinoco | ||
Bionic |
Confirmed
|
Wishlist
|
Unassigned | ||
Cosmic |
Confirmed
|
Wishlist
|
Unassigned | ||
Disco |
Confirmed
|
Wishlist
|
Unassigned |
Bug Description
Description:
MDS_NO is bit 5 of ARCH_CAPABILITIES. Expose this bit to guest.
Target Qemu: 4.1
tags: | added: qemu-19.10 |
Changed in qemu (Ubuntu Disco): | |
status: | Fix Released → Confirmed |
importance: | Undecided → Wishlist |
Changed in qemu (Ubuntu): | |
status: | Fix Released → Confirmed |
importance: | Undecided → Wishlist |
assignee: | nobody → Rafael David Tinoco (rafaeldtinoco) |
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The specific upstream commit is 20140a82c67467f 53814ca197403d5 e1b561a5e5 and is incorporated into qemu 1:3.1+dfsg- 2ubuntu3. 1 in disco-security (19.04) and 1:3.1+dfsg-2ubuntu4 in eoan-proposed. For backporting to cosmic and older, I believe it requires the infrastructure to support IA32_ARCH_ CAPABILITIES in place.